#!/bin/bash

#
# This program is part of the VA Cerberus Test Control System.
# Unless otherwise noted, Copyright (c) 1999,2000 VA Linux Systems, 
# All Rights Reserved.
# You may distribute this program under the terms of the GNU General
# Public License, Version 2, or, at your option, any later version.
#

# ctcs library
. lib/sh/ctcslib.sh

function destroy_state {
        d=`ls -d log/newburn.tcf*`
	i=1
	while [ -d log/newburn.old.$i ] ; do i=$[$i + 1] ; done
        dx="log/newburn.old.$i"
        if [ -d "$d" ] ; then
                mv $d $dx
                if [ $? != 0 ] ; then echo Can not save burn state ; return 2 ; fi
                cp newburn.tcf newburn.params newburn2.tcf newburn2.params $dx >>/dev/null 2>&1
        fi
}

function destroy_test {
	rm -f newburn.tcf
	rm -f newburn.params
}

if [ ! -x ./newburn-generator ] ; then
	echo Burnin generator not found.  Perhaps you are not in
	echo the correct directory?
	exit 1
fi

if [ "$1" = "-h" ] ; then {
	./newburn-generator -h
	exit 2
} ; fi

if [ "$1" != "--force" ] ; then {
	echo '*** Checking compilation status ***'
	# simple compilation test check.  Not intelligent at all, but Good Enough (tm)
	# for most of the users who want this feature anyway.  Most people just
	# run make.
	if [ ! -L runin/sdestructiveblocktst-info ] ; then {
		echo '*** Analyzing system configuration ***'
		./check-requirements
		if [ $? != 0 ] ; then {
			echo Some system requirements are not met for the execution of this program.
			echo Use '--force to override this warning, however you must compile'
			echo Cerberus manually first '("make")'
			exit 2
		} ; fi
		echo '*** Checking CTCS code for errors ***'
		syntaxout=`mktemp /tmp/syntaxcheck.XXXXXX`
		if [ $? != 0 ] ; then {
			echo Unable to create tempfile for syntax checking
			exit 2
		} ; fi
		make HostVars.mk >>/dev/null 2>&1
		make test > $syntaxout
		if [ $? != 0 ] ; then {
			tail $syntaxout && rm -f $syntaxout
			echo There is a syntax error in one or more Cerberus components.
			echo Please check the files mentioned above.
			echo Use '--force to override this warning, however you must compile'
			echo Cerberus manually first '("make")'
			exit 2
		} ; fi
		rm -f $syntaxout
		echo '*** Compiling VA-CTCS ***'
		make >> /dev/null 2>&1
		if [ $? != 0 ] ; then {
			echo Auto-compile failed.  Compile manually with make
			echo to figure out the problem.
			exit 2
		} ; fi
	} ; fi
} ; else {
	shift
} ; fi


if [ ! -e newburn.tcf ] ; then
	echo '*** Rescanning SCSI bus for changed devices ***'
	sh lib/sh/rescan-scsi-bus.sh >>/dev/null 2>&1
	if [ $? != 0 ] ; then {
		echo '*** WARNING SCSI bus rescan failed ***'
	} ; fi
	./newburn-generator $* > newburn.tcf
	if [ $? != 0 ] ; then {
		echo newburn-generator failed.  Test system malfunction, dieing.
		exit 1
	} ; fi
	# if I don't put a space here, a "-n" or other such options
	# will be interpreted as an option to echo.
	echo -E " $*" > newburn.params
else
	./newburn-generator $* > newburn2.tcf
	if [ $? != 0 ] ; then {
		echo newburn-generator failed.  Test system malfunction, dieing.
		exit 1
	} ; fi
	# same as above.
	echo -E " $*" > newburn2.params
	dexit=0
	x=0
	diff newburn.params newburn2.params >> /dev/null
	if [ $? != 0 ] ; then
		oldparams=`cat newburn.params`
		newparams=`cat newburn2.params`
		x=`dialog --menu "The options you have chosen have resulted in a different test\nthan the one which is currently configured.\n\nOld parameters: $oldparams\nNew parameters: $newparams\n\nPlease select one of the following options:\n" 17 70 3 1 "Continue 



the original test" 2 "Restart the original test" 3 "Erase the original test and proceed with the new test" 3>&1 1>&2 2>&3 3>&-`
		dexit=$?
		clear
	fi
	if [ $dexit != 0 ] ; then
		echo Cancelled.
		exit 2
	fi
	if [ $x -eq 1 ] ; then
		echo '*** Continuing old test ***'
	elif [ $x -eq 2 ] ; then
		echo '*** Restarting test run ***'
		destroy_state
	elif [ $x -eq 3 ] ; then
		echo '*** Erasing old test ***'
		destroy_state
		destroy_test
		echo '*** Starting test run with new parameters ***'
		mv newburn2.tcf newburn.tcf
		mv newburn2.params newburn.params
	fi
fi

# Increase filehandles..
echo 512000 > /proc/sys/fs/file-max
if [ $? != 0 ] ; then
	./color fbrown bold
	echo '*** WARNING: Unable to increase filehandles ***'
	./color reset
else
	echo '*** Increasing available filehandles to 512K ***'
fi

# Activate Magic System Request
echo 1 > /proc/sys/kernel/sysrq
if [ $? != 0 ] ; then
	./color fbrown bold
	echo '*** WARNING: Unable to activate Magic SysRq Key ***'
	./color reset
else
	echo '*** Linux Magic SysRq Key Activated ***'
fi

# These commands should not fail, but you never know I suppose..
setterm -powersave off >/dev/console 2>&1 </dev/console
if [ $? != 0 ] ; then
	./color fbrown bold
	echo '*** WARNING: Unable to disable VESA powersave ***'
	./color reset
else
	echo '*** VESA powersave disabled ***'
fi

setterm -blank 0 >/dev/console 2>&1 </dev/console
if [ $? != 0 ] ; then
	./color fbrown bold
	echo '*** WARNING: Unable to disable Linux console screensaver ***'
	./color reset
else
	echo '*** Linux console screensaver disabled ***'
fi

echo '*** Syncing Filesystems ***'
#
# remove stale mountlock from data test
#
rmdir runin/mountlock >>/dev/null 2>&1

sync
echo '*** Initiating Run-in ***'
./run newburn.tcf

#
# remove stale mountlock from data test
#
rmdir runin/mountlock >>/dev/null 2>&1
